fn main() {
    const THREE_HOURS_IN_SECONDS: u32 = 60 * 60 * 3;
    println!("The const is {THREE_HOURS_IN_SECONDS}");
    let mut x = 5;
    println!("The value of x is:{x}");
    x = 6;
    println!("The value of x is:{x}");

    let m = 5;
    let m = m + 1;
    {
        let m = m * 2;
        println!("The m value is:{m}");
    }
    println!("The m value is:{m}");

    let spaces = "   ";
    println!("spaces is : {spaces}");
    let spaces = spaces.len();
    println!("spaces is : {spaces}");
}
